“signal tower”的概念、定义、翻译、参考文献-科学参考

单词	signal tower
释义	signal tower [`sig·nǝl ´tau̇·ǝr] ^{CIVIL ENGINEERING} A switch tower from which railroad signals are displayed or controlled.
随便看	diene diene resin diene value die nipple dienophile die opening die radius die scalping diesel cycle diesel electric locomotive diesel electric power generation diesel engine diesel fuel diesel fuel additives diesel fuel grades diesel-fuel water and sediment diesel index dieseling diesel knock diesel locomotive diesel oil diesel rig diesel squeeze die set die shoe

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